QoS (Floodgate) policy install randomly causes Security Gateway to crash and reboot

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Technical Level

Solution ID	sk109840
Technical Level
Product	QoS / Floodgate-1, Quantum Security Gateways
Version	R77.30 (EOL)
OS	Gaia
Platform / Model	All
Date Created	31-Jan-2016
Last Modified	10-Mar-2016

Symptoms

The installation of QoS policy will randomly cause the Security Gateway to crash and reboot.

Cause

The QoS policy installation has several stages; during each stage a software lock is placed on the kernel until the stage completes.

A race condition has been identified, in which multiple QoS policy installation stages could occur at the same time, and consequently cause a crash.

Solution

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